USN-4475-1: Chrony vulnerability

Releases

• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

Packages

• chrony - An implementation of the Network Time Protocol

Details

It was discovered that Chrony incorrectly handled certain symbolic links.
An attacker could possibly use this issue to cause a denial of service or
expose sensitive information.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04

• chrony - 3.5-6ubuntu6.2

Ubuntu 18.04

• chrony - 3.2-4ubuntu4.5

In general, a standard system update will make all the necessary changes.

References

• CVE-2020-14367